Question

5) the length of two sides of a triangle are 10 cm and 15 CM respectively if the perimeter of the triangle is 45 CM then the length of the third side is
(a) 10 cm (b) 5 cm (c) 15 cm.(d) 20 cm​

Answer 1

Answer:

The length of the third side of triangle = 20cm.

Step-by-step explanation:

The perimeter of triangle = a + b + c

10 + 15 + ? = 45cm

45 - 25 = 20cm

Therefore the third side of triangle is 20cm.